print "I like " . $x . "\n";

##</code><code>##

$x = '0001';
print "I like " . $x;
print "but I like " . ($x + 0)

##</code><code>##

$x = '0001';
print "I like $x";

##</code><code>##

$x = '0001';
print 'I like $x';

##</code><code>##

$x = 'timmah!';
print "\$x is $x";